Sanitary napkin



FIG. 1 is a top plan view of a sanitary napkin according to a first embodiment of the present invention;

FIG. 2 is a bottom plan view of the sanitary napkin shown in FIG. 1, the portion of the drawing shown in a broken line forms no part of the claimed design;

FIG. 3 is top plan view of a sanitary napkin according to a second embodiment of the present invention;

FIG. 4 is a bottom plan view of the sanitary napkin shown in FIG. 3, the portion of the drawing shown in a broken line forms no part of the claimed design; and,

FIG. 5 is an enlarged plan view of the sanitary napkin shown in FIGS. 1 and 3 showing the butterfly portion thereof. 

The ornamental design for a sanitary napkin, as shown and described. 